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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.285 by root, Sun Jun 24 04:21:42 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	305	for my $pkg (qw(
198	cf::global cf::attachable	306	cf::global cf::attachable
199	cf::object cf::object::player	307	cf::object cf::object::player
200	cf::client cf::player	308	cf::client cf::player
201	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
202	cf::map cf::party cf::region	311	cf::party cf::region
203	)) {	312	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	314	}
207		315
208	$Event::DIED = sub {	316	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
211		324
212	#############################################################################	325	#############################################################################
213		326
214	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
215		328
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	350	$d
238	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
239	}	352	}
240		353
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
242		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
243	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
244		369
245	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
246		371
247	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
248		373
249	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
250		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
251	=item cf::lock_wait $string	445	=item cf::lock_wait $string
252		446
253	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
254		448
255	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
256		450
257	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
260	returned.	454	returned.
261		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
262	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
264		461
265	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
266		463
267	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
268		465
269	=cut	466	=cut
270		467
271	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
272		469
273	sub lock_wait($) {	470	sub lock_wait($) {
274	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	472	}
282		473
283	sub lock_acquire($) {	474	sub lock_acquire($) {
284	my ($key) = @_;	475	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	476	}
296		477
297	sub lock_active($) {	478	sub lock_active($) {
298	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	480	}
302		481
303	sub freeze_mainloop {	482	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
305		484
306	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
308	};	556	}
309	$TICK_WATCHER->stop;	557	};
310	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
311	}	572	}
312		573
313	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
314		575
315	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		581
321	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
322		583
323	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
324		585
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	589	acceptable.
329		590
330	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	596	=cut
336		597
337	sub sync_job(&) {	598	sub sync_job(&) {
338	my ($job) = @_;	599	my ($job) = @_;
339		600
340	if ($Coro::current == $Coro::main) {	601	if (in_main) {
341	my $time = Event::time;	602	my $time = AE::time;
342		603
343	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
345		606
346	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	608
348	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
349		610
350	my $busy = 1;	611	my $busy = 1;
351	my @res;	612	my @res;
352		613
353	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	616	@res = eval { $job->() };
355	warn $@ if $@;	617	error $@ if $@;
356	undef $busy;	618	undef $busy;
357	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
358		620
359	while ($busy) {	621	while ($busy) {
360	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
361	}	626	}
		627	}
362		628
363	$time = Event::time - $time;	629	my $time = AE::time - $time;
364		630
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
369		632
370	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
371	} else {	634	} else {
372	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
373		636
…		…
393	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
394		657
395	$coro	658	$coro
396	}	659	}
397		660
398	=item fork_call { }, $args	661	=item fork_call { }, @args
399		662
400	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
404		667
405	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
406		673
407	sub fork_call(&@) {	674	sub fork_call(&@) {
408	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
409		676
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		680
415	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
416	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
417		685
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	687	}
420		688
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
440	}	725	}
441		726
442	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
443		728
444	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
447		732
448	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
451	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
452		762
453	our $DB;	763	our $DB;
454		764
455	sub db_init {	765	sub db_init {
456	unless ($DB) {	766	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	767	}
471		768
472	sub db_get($$) {	769	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
474		771
475	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
476	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
477		776
478	$! ? ()	777	$! ? ()
479	: $data	778	: $data
480	}
481	}	779	}
482		780
483	sub db_put($$$) {	781	sub db_put($$$) {
484	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		811
514	my @data;	812	my @data;
515	my $md5;	813	my $md5;
516		814
517	for (0 .. $#$src) {	815	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	817	}
521		818
522	# if processing is expensive, check	819	# if processing is expensive, check
523	# checksum first	820	# checksum first
524	if (1) {	821	if (1) {
525	$md5 =	822	$md5 =
526	join "\x00",	823	join "\x00",
527	$processversion,	824	$processversion,
528	map {	825	map {
529	Coro::cede;	826	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	828	} 0.. $#$src;
532		829
533		830
534	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		838
542	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	840	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
545		842
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		844
548	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
551		848
…		…
561		858
562	=cut	859	=cut
563		860
564	sub datalog($@) {	861	sub datalog($@) {
565	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	864	}
568		865
569	=back	866	=back
570		867
571	=cut	868	=cut
572		869
573	#############################################################################	870	#############################################################################
574		871
575	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
576		873
577	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
580		877
581	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	880	Deliantra).
584		881
585	=over 4	882	=over 4
586		883
587	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
588		885
…		…
632	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
633		930
634	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
636		933
637	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
639		936
640	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
641		938
642	=over 4	939	=over 4
…		…
766		1063
767	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1066
770	} elsif (ref $type) {	1067	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
772		1069
773	} else {	1070	} else {
774	shift @arg;	1071	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
776	}	1073	}
777	}	1074	}
778	}	1075	}
779		1076
780	sub _object_attach {	1077	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
791	}	1088	}
792		1089
793	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
794	} else {	1091	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1093	}
797		1094
798	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
799	}	1096	}
800		1097
…		…
840	";	1137	";
841	die if $@;	1138	die if $@;
842	}	1139	}
843		1140
844	our $override;	1141	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1143
847	sub override {	1144	sub override {
848	$override = 1;	1145	$override = 1;
849	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
850	}	1147	}
851		1148
852	sub do_invoke {	1149	sub do_invoke {
853	my $event = shift;	1150	my $event = shift;
854	my $callbacks = shift;	1151	my $callbacks = shift;
855		1152
856	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
857		1154
858	local $override;	1155	local $override;
859		1156
860	for (@$callbacks) {	1157	for (@$callbacks) {
861	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
862		1159
863	if ($@) {	1160	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1162	override;
867	}	1163	}
868		1164
869	return 1 if $override;	1165	return 1 if $override;
870	}	1166	}
871		1167
872	0	1168	0
873	}	1169	}
874		1170
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1172
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1174
879	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
880		1176
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1180
885	=back	1181	=back
886		1182
887	=cut	1183	=cut
888		1184
889	#############################################################################	1185	#############################################################################
890	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
891		1229
892	sub reattach {	1230	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1232	my ($obj) = @_;
895		1233
		1234	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1236
898	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
899		1238
900	@$registry = ();	1239	@$registry = ();
901		1240
…		…
906	for (@$attach) {	1245	for (@$attach) {
907	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
909	}	1248	}
910	} else {	1249	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1251	}
913	}	1252	}
914	}	1253	}
915		1254
916	cf::attachable->attach (	1255	cf::attachable->attach (
917	prio => -1000000,	1256	prio => -1000000,
918	on_instantiate => sub {	1257	on_instantiate => sub {
919	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
920		1259
921	$data = from_json $data;	1260	$data = decode_json $data;
922		1261
923	for (@$data) {	1262	for (@$data) {
924	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
925		1264
926	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1281	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
944		1283
945	sync_job {	1284	sync_job {
946	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
949		1290
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
954	close $fh;	1298	aio_close $fh;
955		1299
956	if (@$objs) {	1300	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
962	close $fh;	1309	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
964	}	1311	}
965	} else {	1312	} else {
966	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
967	}	1314	}
968		1315
969	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1320	} else {
971	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
972	}	1322	}
973	} else {	1323	} else {
974	aio_unlink $filename;	1324	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
976	}	1326	}
977	}	1327	};
978	}	1328	}
979		1329
980	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
982		1332
…		…
994	or return;	1344	or return;
995		1345
996	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
998	or return;	1348	or return;
		1349
999	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1000	}	1352	}
1001		1353
		1354	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1004	return ($data, $av);	1359	($data, $av)
1005	}	1360	}
1006		1361
1007	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1008		1363
1009	=over 4	1364	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1385	}
1031		1386
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1388
1034	Register a callback fro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
1035		1394
1036	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
1037	called.	1396	called.
1038		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
1039	=cut	1409	=cut
1040		1410
1041	sub register_extcmd {	1411	sub register_extcmd {
1042	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
1043		1413
1044	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
1045	}	1415	}
1046		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
1047	cf::player->attach (	1425	cf::player->attach (
1048	on_command => sub {	1426	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1050		1428
1051	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1052	or return;	1430	or return;
1053		1431
…		…
1058	cf::override;	1436	cf::override;
1059	},	1437	},
1060	on_extcmd => sub {	1438	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1062		1440
1063	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1442
1065	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1071	} else {	1458	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1460	}
1074		1461
1075	cf::override;	1462	cf::override;
1076	},	1463	},
1077	);	1464	);
1078		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1079	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1080	cf::sync_job {	1482	cf::sync_job {
1081	my %todo;	1483	my %todo;
1082		1484
1083	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1486	next unless -r $path;
…		…
1102		1504
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1507
1106	$ext{source} =	1508	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1109	. $source	1511	. $source
1110	. "\n};\n1";	1512	. "\n};\n1";
1111		1513
1112	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1113	}	1515	}
1114		1516
		1517	my $pass = 0;
1115	my %done;	1518	my %done;
1116	while (%todo) {	1519	while (%todo) {
1117	my $progress;	1520	my $progress;
1118		1521
		1522	++$pass;
		1523
		1524	ext:
1119	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1527	next ext
1122	unless exists $done{$_};	1528	unless exists $done{$_};
1123	}	1529	}
1124		1530
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1532
1127	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1132	warn $msg;	1540
1133	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1542	delete $todo{$k};
1135	}	1543	} else {
1136		1544	$done{$k} = delete $todo{$k};
1137	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1138	}	1550	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1551	}
1144		1552
1145	skip:	1553	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1148	}	1563	}
1149	};	1564	};
1150	}	1565	}
1151		1566
1152	#############################################################################	1567	#############################################################################
1153		1568
1154	=back	1569	=back
1155		1570
1156	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1157		1572
1158	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1159		1574
1160	=cut	1575	=cut
1161		1576
1162	package cf::player;	1577	package cf::player;
1163		1578
1164	use Coro::AIO;	1579	use Coro::AIO;
1165		1580
1166	=head3 cf::player	1581	=head3 cf::player
1167		1582
1168	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1169		1598
1170	=item cf::player::find $login	1599	=item cf::player::find $login
1171		1600
1172	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1173		1602
…		…
1192		1621
1193	sub exists($) {	1622	sub exists($) {
1194	my ($login) = @_;	1623	my ($login) = @_;
1195		1624
1196	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1198	}	1627	}
1199		1628
1200	sub find($) {	1629	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1631	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1642
1214	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1217	}	1652	}
1218	}	1653	}
1219	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1220		1668
1221	sub save($) {	1669	sub save($) {
1222	my ($pl) = @_;	1670	my ($pl) = @_;
1223		1671
1224	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1230		1678
1231	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1233		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1234	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1235	Coro::cede;	1688	cf::cede_to_tick;
1236	}	1689	}
1237		1690
1238	sub new($) {	1691	sub new($) {
1239	my ($login) = @_;	1692	my ($login) = @_;
1240		1693
…		…
1246	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1247		1700
1248	$self	1701	$self
1249	}	1702	}
1250		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1251	=item $pl->quit_character	1714	=item $pl->quit_character
1252		1715
1253	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1255		1718
…		…
1259	my ($pl) = @_;	1722	my ($pl) = @_;
1260		1723
1261	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1262		1725
1263	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1728
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1269	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1270		1737
1271	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1308	or return [];	1775	or return [];
1309		1776
1310	my @logins;	1777	my @logins;
1311		1778
1312	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1316		1789
1317	utf8::decode $login;	1790	utf8::decode $login;
1318	push @logins, $login;	1791	push @logins, $login;
1319	}	1792	}
1320		1793
1321	\@logins	1794	\@logins
1322	}	1795	}
1323		1796
1324	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1325		1800
1326	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1327	player. May block.	1802	player. May block.
1328		1803
1329	=cut	1804	=cut
…		…
1347	}	1822	}
1348		1823
1349	\@paths	1824	\@paths
1350	}	1825	}
1351		1826
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1828
1354	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1355		1830
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1386		1832
1387	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1388		1834
1389	=cut	1835	=cut
1390		1836
1391	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1393		1839
1394	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1841	}
1398		1842
1399	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1400		1844
1401	Sends an ext event to the client.	1845	Sends an ext event to the client.
1402		1846
1403	=cut	1847	=cut
1404		1848
1405	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1407		1851
1408	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1409	}	1853	}
1410		1854
1411	=head3 cf::region	1855	=head3 cf::region
1412		1856
1413	=over 4	1857	=over 4
…		…
1423	=cut	1867	=cut
1424		1868
1425	sub find_by_path($) {	1869	sub find_by_path($) {
1426	my ($path) = @_;	1870	my ($path) = @_;
1427		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1428	my ($match, $specificity);	1874	my ($match, $specificity);
1429		1875
1430	for my $region (list) {	1876	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1434	}	1880	}
1435	}	1881	}
1436		1882
…		…
1457	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1459		1905
1460	sub generate_random_map {	1906	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1462	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1463	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1475	)
1476	}	1912	}
1477		1913
1478	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1479		1915
1480	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1485		1921
1486	sub register {	1922	sub register {
1487	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1488	my $pkg = caller;	1924	my $pkg = caller;
1489		1925
1490	no strict;
1491	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1492		1927
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	1929	}
1495		1930
1496	# also paths starting with '/'	1931	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		1933
1499	sub thawer_merge {	1934	sub thawer_merge {
1500	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1501		1936
1502	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1507	}	1942	}
1508		1943
1509	sub normalise {	1944	sub normalise {
1510	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1511		1946
1512	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1513		1948
1514	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1515		1950
1516	# map plan:	1951	# map plan:
1517	#	1952	#
…		…
1532	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1533	$path = "$base/$path";	1968	$path = "$base/$path";
1534	}	1969	}
1535		1970
1536	for ($path) {	1971	for ($path) {
1537	redo if s{//}{/};
1538	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1539	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1540	}	1974	}
1541		1975
1542	$path	1976	$path
…		…
1556	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1557	return $self;	1991	return $self;
1558	}	1992	}
1559	}	1993	}
1560		1994
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1562	()	1996	()
1563	}	1997	}
1564		1998
		1999	# may re-bless or do other evil things
1565	sub init {	2000	sub init {
1566	my ($self) = @_;	2001	my ($self) = @_;
1567		2002
1568	$self	2003	$self
1569	}	2004	}
…		…
1588		2023
1589	# the temporary/swap location	2024	# the temporary/swap location
1590	sub save_path {	2025	sub save_path {
1591	my ($self) = @_;	2026	my ($self) = @_;
1592		2027
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1595	}	2030	}
1596		2031
1597	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1598	sub uniq_path {	2033	sub uniq_path {
1599	my ($self) = @_;	2034	my ($self) = @_;
1600		2035
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	2038	}
1613		2039
1614	sub decay_objects {	2040	sub decay_objects {
1615	my ($self) = @_;	2041	my ($self) = @_;
1616		2042
…		…
1629		2055
1630	sub load_header_from($) {	2056	sub load_header_from($) {
1631	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1632		2058
1633	utf8::encode $path;	2059	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	2061	or return;
1639		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1640	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1641		2070
1642	1	2071	1
1643	}	2072	}
1644		2073
		2074	# used to laod the header of an original map
1645	sub load_header_orig {	2075	sub load_header_orig {
1646	my ($self) = @_;	2076	my ($self) = @_;
1647		2077
1648	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1649	}	2079	}
1650		2080
		2081	# used to laod the header of an instantiated map
1651	sub load_header_temp {	2082	sub load_header_temp {
1652	my ($self) = @_;	2083	my ($self) = @_;
1653		2084
1654	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1655	}	2086	}
1656		2087
		2088	# called after loading the header from an instantiated map
1657	sub prepare_temp {	2089	sub prepare_temp {
1658	my ($self) = @_;	2090	my ($self) = @_;
1659		2091
1660	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1661	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1662	# safety	2094	# safety
1663	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1664	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1665	}	2097	}
1666		2098
		2099	# called after loading the header from an original map
1667	sub prepare_orig {	2100	sub prepare_orig {
1668	my ($self) = @_;	2101	my ($self) = @_;
1669		2102
1670	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1671	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1695		2128
1696	sub find;	2129	sub find;
1697	sub find {	2130	sub find {
1698	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1699		2132
		2133	cf::cede_to_tick;
		2134
1700	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1701		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2139
1704	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1707	or return;	2142	or return;
1708		2143
1709	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1710		2145
…		…
1712	or return;	2147	or return;
1713		2148
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1717	$map->reset;	2154	$map->reset;
1718	undef $guard;
1719	return find $path;	2155	return find $path;
1720	}	2156	}
1721		2157
1722	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1723	}	2159	}
1724	}	2160	}
1725		2161
1726	sub pre_load { }	2162	sub pre_load { }
1727	sub post_load { }	2163	#sub post_load { } # XS
1728		2164
1729	sub load {	2165	sub load {
1730	my ($self) = @_;	2166	my ($self) = @_;
1731		2167
1732	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1733		2169
1734	my $path = $self->{path};	2170	my $path = $self->{path};
1735		2171
1736	{	2172	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1738		2174
		2175	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2177
1741	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1742		2179
1743	$self->alloc;	2180	$self->alloc;
1744		2181
1745	$self->pre_load;	2182	$self->pre_load;
1746	Coro::cede;	2183	cf::cede_to_tick;
1747		2184
1748	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1749	or return;	2189	or return;
1750		2190
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1752	if delete $self->{load_original};	2192	if delete $self->{load_original};
1753		2193
1754	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2195	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2198	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1759	}	2203	}
1760	}
1761		2204
1762	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
		2210
		2211	cf::cede_to_tick;
1763	# now do the right thing for maps	2212	# now do the right thing for maps
1764	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2215	unless $self->difficulty;
1767	Coro::cede;	2216	cf::cede_to_tick;
1768		2217
1769	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2219	$self->decay_objects;
1771	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1772	$self->update_buttons;	2221	$self->update_buttons;
1773	Coro::cede;	2222	cf::cede_to_tick;
1774	$self->set_darkness_map;
1775	Coro::cede;
1776	$self->activate;	2223	$self->activate;
1777	}	2224	}
1778		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2230	}
1781		2231
1782	$self->post_load;	2232	$self->post_load;
1783	}
1784		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2240	sub customise_for {
1786	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1787		2242
1788	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2244	if $self->per_player;
…		…
1793		2248
1794	$self	2249	$self
1795	}	2250	}
1796		2251
1797	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2253	sub load_neighbours {
1799	my ($map) = @_;	2254	my ($map) = @_;
1800		2255
1801	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1802		2257
1803	for (0 .. 3) {	2258	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1805	or next;	2260	or next;
1806	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1807	or next;	2262	or next;
1808	$neigh->load;	2263	$neigh->load;
1809		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2269	}
1813		2270
1814	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1816	or next;	2274	or next;
1817	$neigh->load;	2275	$neigh->load;
1818	}	2276	}
1819	}	2277	}
1820		2278
1821	sub find_sync {	2279	sub find_sync {
1822	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1823		2281
1824	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1825	}	2286	}
1826		2287
1827	sub do_load_sync {	2288	sub do_load_sync {
1828	my ($map) = @_;	2289	my ($map) = @_;
1829		2290
1830	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1831	}	2295	}
1832		2296
1833	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1835		2299
1836	sub find_async {	2300	sub find_async {
1837	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1838		2302
1839	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1840		2304
1841	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2307	}
1844		2308
1845	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1846	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1847	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2316	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2317	$map->load if $v;
		2318	}
1852		2319
1853	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1854	}	2321	}
1855	}	2322	}
1856	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1857	};	2324	};
1858	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1859		2326
1860	()	2327	()
1861	}	2328	}
1862		2329
		2330	# common code, used by both ->save and ->swapout
1863	sub save {	2331	sub _save {
1864	my ($self) = @_;	2332	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2333
1868	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1869		2335
1870	return unless $self->dirty;	2336	return unless $self->dirty;
1871		2337
…		…
1877	return if $self->{deny_save};	2343	return if $self->{deny_save};
1878		2344
1879	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1880		2346
1881	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1883	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1884		2353
1885	if ($uniq) {	2354	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2357	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2359	}
1891	}	2360	}
1892		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1893	sub swap_out {	2370	sub swap_out {
1894	my ($self) = @_;	2371	my ($self) = @_;
1895		2372
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1901	return if $self->players;	2377	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1905	$self->clear;	2388	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2389	}
1908		2390
1909	sub reset_at {	2391	sub reset_at {
1910	my ($self) = @_;	2392	my ($self) = @_;
1911		2393
…		…
1929		2411
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2413
1932	return if $self->players;	2414	return if $self->players;
1933		2415
1934	warn "resetting map ", $self->path;	2416	cf::trace "resetting map ", $self->path, "\n";
1935		2417
1936	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1937		2419
1938	# need to save uniques path	2420	# need to save uniques path
1939	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1943	if $uniq;	2425	if $uniq;
1944	}	2426	}
1945		2427
1946	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1947		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2432	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2433
1952	$self->unlink_save;	2434	$self->unlink_save;
1953	$self->destroy;	2435	$self->destroy;
1954	}	2436	}
1955		2437
1956	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1957		2439
1958	sub nuke {	2440	sub nuke {
1959	my ($self) = @_;	2441	my ($self) = @_;
1960		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1961	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1962		2447
1963	$self->unlink_save;	2448	$self->unlink_save;
1964		2449
1965	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2455
1971	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1972		2458
1973	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
1974	}	2460	}
1975		2461
1976	=item $maps = cf::map::tmp_maps	2462	=item $maps = cf::map::tmp_maps
…		…
2018		2504
2019	sub unique_maps() {	2505	sub unique_maps() {
2020	[	2506	[
2021	map {	2507	map {
2022	utf8::decode $_;	2508	utf8::decode $_;
2023	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2024	? normalise $_	2512	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2514	]
2028	}	2515	}
2029		2516
2030	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2031		2548
2032	=back	2549	=back
2033		2550
2034	=head3 cf::object	2551	=head3 cf::object
2035		2552
…		…
2039		2556
2040	=over 4	2557	=over 4
2041		2558
2042	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2043		2560
2044	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2045		2563
2046	=cut	2564	=cut
2047		2565
2048	sub inv_recursive_;	2566	sub inv_recursive_;
2049	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2052		2570
2053	sub inv_recursive {	2571	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2055	}	2573	}
2056		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
2057	package cf;	2603	package cf;
2058		2604
2059	=back	2605	=back
2060		2606
2061	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2070		2616
2071	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
2072		2632
2073	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2634	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
2083		2643
2084	} else {	2644	} else {
2085	my $pl = $self->contr;	2645	my $pl = $self->contr;
2086		2646
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2650
2096	} else {	2651	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2654	}
2100	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
2101	}	2666	}
2102		2667
2103	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
2104		2669
2105	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
2118		2683
2119	=item $player_object->enter_link	2684	=item $player_object->enter_link
2120		2685
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2687
2123	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2125		2692
2126	Will never block.	2693	Will never block.
2127		2694
2128	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2129		2696
…		…
2149	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2717	my ($self) = @_;
2151		2718
2152	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2153		2720
		2721	++$self->{_link_recursion};
		2722
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2724
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2158		2727
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2729	}
2161		2730
2162	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2164		2733
…		…
2181	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2183		2752
2184	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2187		2756
2188	$map->load;	2757	$map->load;
2189	$map->load_diag;	2758	$map->load_neighbours;
2190		2759
2191	return unless $self->contr->active;	2760	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2761
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2196	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2197		2769
		2770	}
		2771
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2773
2200	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
2204		2782
2205	=cut	2783	=cut
2206		2784
2207	our $GOTOGEN;	2785	our $GOTOGEN;
2208		2786
2209	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2211		2795
2212	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2798
2215	$self->enter_link;	2799	$self->enter_link;
2216		2800
2217	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
2218	my $map = eval {	2823	my $map = eval {
2219	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2220		2825
2221	if ($map) {	2826	if ($map) {
2222	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2829	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2831	}
2227		2832
2228	$map	2833	$map
2229	};	2834	};
2230		2835
…		…
2235		2840
2236	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2239	}	2844	}
		2845
		2846	$done->($self) if $done;
2240	})->prio (1);	2847	})->prio (1);
2241	}	2848	}
2242		2849
2243	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2244		2851
…		…
2264	}	2871	}
2265		2872
2266	sub prepare_random_map {	2873	sub prepare_random_map {
2267	my ($exit) = @_;	2874	my ($exit) = @_;
2268		2875
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2878	# that depends on the exit object
2274		2879
2275	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2882	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2282	}	2889	}
2283		2890
2284	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2285		2892
2286	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2289		2896
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2899	undef $fh;
2293	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2294		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2297	}	2908	}
2298	}	2909	}
2299		2910
2300	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2302		2913
2303	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2304		2915
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2916	$self->enter_link;
2317		2917
2318	(async {	2918	(async {
2319	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2320	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2321	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2322		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2323	1;	2955	1
2324	}) {	2956	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2961
2330	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	2963	$self->leave_link;
2332	}	2964	}
2333	})->prio (1);	2965	})->prio (1);
2334	}	2966	}
2335		2967
…		…
2349		2981
2350	utf8::encode $text;	2982	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2984	}
2353		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		3012
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	3014	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2360		3017
2361	=cut	3018	=cut
2362		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
2363	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3136
2366	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2367		3139
2368	if ($self->can_msg) {	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379	}
2380		3141
2381	if ($color >= 0) {	3142	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3143	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3144	$channel = $CHANNEL{$channel};
2384	} else {	3145
2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3146	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
2387	}	3154	}
2388	}
2389	}
2390	}
2391		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
2392	=item $client->ext_event ($type, %msg)	3173	=item $client->ext_msg ($type, @msg)
2393		3174
2394	Sends an exti event to the client.	3175	Sends an ext event to the client.
2395		3176
2396	=cut	3177	=cut
2397		3178
2398	sub cf::client::ext_event($$%) {	3179	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3180	my ($self, $type, @msg) = @_;
2400		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	3185	push @msg, msgtype => "event_$type";
2402	$self->send_packet ("ext " . cf::to_json \%msg);	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
2403	}	3206	}
2404		3207
2405	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2406		3209
2407	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3213
2411	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3215	become reliable at some point in the future.
2413		3216
2414	=cut	3217	=cut
2415		3218
2416	sub cf::client::query {	3219	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3228	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3230
2428	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
2430	}	3235	}
2431		3236
2432	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
2433	on_reply => sub {	3243	on_reply => sub {
2434	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
2435		3245
2436	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
2437	# get handled first	3247	# get handled first
…		…
2449	} else {	3259	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3261	}
2452	}	3262	}
2453	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
2454	);	3290	);
2455		3291
2456	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
2457		3293
2458	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3310
2475	$coro	3311	$coro
2476	}	3312	}
2477		3313
2478	cf::client->attach (	3314	cf::client->attach (
2479	on_destroy => sub {	3315	on_client_destroy => sub {
2480	my ($ns) = @_;	3316	my ($ns) = @_;
2481		3317
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3319	},
2484	);	3320	);
…		…
2499	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2501		3337
2502	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2503		3339
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2505		3345
2506	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2507		3347
2508	=pod	3348	=pod
2509		3349
2510	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2511		3351
2512	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2513	cf::object::player player	3357	cf::object::player
2514	cf::player peaceful	3358	player
2515	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2516		3365
2517	=cut	3366	=cut
2518		3367
2519	for (	3368	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2524	) {	3375	) {
2525	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2528	for @funs;	3378	for @funs;
2529	}	3379	}
2530		3380
…		…
2545		3395
2546	my $qcode = $code;	3396	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2549		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2550	local $_;	3403	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3404
2553	my $eval =	3405	my $eval =
2554	"do {\n"	3406	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3409	. $code
2558	. "\n}"	3410	. "\n}"
2559	;	3411	;
2560		3412
		3413	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2564		3422
2565	if ($@) {	3423	if ($@) {
2566	warn "$@";	3424	warn "$@",
2567	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2568	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2569	}	3427	}
2570		3428
2571	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2572	}	3430	}
2573		3431
…		…
2587	=cut	3445	=cut
2588		3446
2589	sub register_script_function {	3447	sub register_script_function {
2590	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2591		3449
2592	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2594	}	3452	}
2595		3453
2596	=back	3454	=back
2597		3455
2598	=cut	3456	=cut
…		…
2601	# the server's init and main functions	3459	# the server's init and main functions
2602		3460
2603	sub load_facedata($) {	3461	sub load_facedata($) {
2604	my ($path) = @_;	3462	my ($path) = @_;
2605		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2606	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2607		3471
2608	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2609	0 < aio_load $path, $facedata
2610	or die "$path: $!";
2611
2612	$facedata = Coro::Storable::thaw $facedata;
2613		3473
2614	$facedata->{version} == 2	3474	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
2617	{	3486	{
2618	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2619		3488
2620	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3492	cf::face::set_visibility $idx, $info->{visibility};
		3493	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3497
		3498	cf::cede_to_tick;
2626	}	3499	}
2627		3500
2628	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2630	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2631	or next;	3505	or next;
		3506
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
		3508	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3510	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3512	}
2637	Coro::cede;	3513
		3514	cf::cede_to_tick;
2638	}	3515	}
2639	}	3516	}
2640		3517
2641	{	3518	{
2642	my $anims = $facedata->{animinfo};	3519	my $anims = $facedata->{animinfo};
2643		3520
2644	while (my ($anim, $info) = each %$anims) {	3521	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3523	cf::cede_to_tick;
2647	}	3524	}
2648		3525
2649	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2650	}	3527	}
2651		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
2652	1	3548	1
2653	}	3549	}
2654		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
2655	sub reload_regions {	3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
2656	load_resource_file "$MAPDIR/regions"	3574	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
2658	}	3581	}
2659		3582
2660	sub reload_facedata {	3583	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3584	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3585	or die "unable to load facedata\n";
…		…
2670	sub reload_treasures {	3593	sub reload_treasures {
2671	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
2672	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
2673	}	3596	}
2674		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2675	sub reload_resources {	3618	sub reload_resources {
2676	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
2677		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
2678	reload_regions;	3626	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3627	reload_treasures;
2683		3628
2684	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
2685	}	3630	}
2686		3631
2687	sub init {	3632	sub reload_config {
2688	reload_resources;	3633	trace "reloading config file...\n";
2689	}
2690		3634
2691	sub cfg_load {	3635	my $config = load_file "$CONFDIR/config";
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3636	utf8::decode $config;
2693	or return;	3637	*CFG = decode_yaml $config;
2694		3638
2695	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;
2697
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3640
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3643
2703	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2707	};	3648	};
2708	warn $@ if $@;	3649	warn $@ if $@;
2709	}	3650	}
2710	}	3651	}
2711		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2712	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2713	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3694	(async {
2717	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
2719	};	3698	};
2720		3699
2721	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
2722	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2723	load_extensions;	3723	load_extensions;
2724		3724
2725	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2727	}	3743	}
2728		3744
2729	#############################################################################	3745	#############################################################################
2730	# initialisation and cleanup	3746	# initialisation and cleanup
2731		3747
2732	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2733	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2742	},
2743	);	3754	};
2744	}	3755	}
2745	}	3756	}
2746		3757
2747	sub write_runtime {	3758	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
2749		3760
2750	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
2752		3763
2753	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3765
2755	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
2756		3767
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3769	or return;
2759		3770
2760	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
2773		3784
2774	close $fh	3785	close $fh
2775	or return;	3786	or return;
2776		3787
2777	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3789	and return;
2779		3790
2780	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3792
2782	1	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2783	}	3844	}
2784		3845
2785	sub emergency_save() {	3846	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2787		3848
2788	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2789		3855
2790	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2791	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3867	$pl->save;
2799	}	3868	}
2800	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2801		3870
2802	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	3876	$map->valid or next;
2806	$map->save;	3877	$map->save;
2807	}	3878	}
2808	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
2809		3880
2810	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2813	};	3909	};
2814		3910
2815	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2816	}	3912	}
2817		3913
2818	sub post_cleanup {	3914	sub post_cleanup {
2819	my ($make_core) = @_;	3915	my ($make_core) = @_;
2820		3916
		3917	IO::AIO::flush;
		3918
2821	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
2823	}	3949	}
2824		3950
2825	sub do_reload_perl() {	3951	sub do_reload_perl() {
2826	# can/must only be called in main	3952	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2828	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
2829	return;	3955	return;
2830	}	3956	}
2831		3957
2832	warn "reloading...";	3958	return if $RELOAD++;
2833		3959
2834	warn "entering sync_job";	3960	my $t1 = AE::time;
2835		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
2836	cf::sync_job {	3968	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark
2838	cf::emergency_save;	3969	#cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark
2840		3970
2841	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;
2843
2844	# if anything goes wrong in here, we should simply crash as we already saved
2845
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;
2857	warn "iterate...";
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();	3973	%EXT_CORO = ();
2865		3974
2866	warn "removing commands";	3975	trace "perl_reload: removing commands";
2867	%COMMAND = ();	3976	%COMMAND = ();
2868		3977
2869	warn "removing ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2870	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2871		3981
2872	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2875		3985
2876	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2877	eval {	3987	eval {
2878	$cb->($pkg);	3988	$cb->($pkg);
2879	1	3989	1
2880	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2881	}	3995	}
2882		3996
2883	warn "... nuking $pkg";
2884	Symbol::delete_package $pkg;
2885	}
2886
2887	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2888	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		4000
2891	warn "... unloading $k";	4001	trace "... unloading $k";
2892	delete $INC{$k};	4002	delete $INC{$k};
2893		4003
2894	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2896		4006
2897	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2898	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2899	}	4012	}
2900		4013
2901	Symbol::delete_package $k;
2902	}
2903
2904	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		4017
2908	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		4021
2912	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2913	# and global variables created in xs	4023	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2915		4025
2916	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
2917		4027
2918	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
2919	require cf;	4029	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2921		4031
2922	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
2923	cf::cfg_load;	4033	cf::reload_config;
2924		4034
2925	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
2926	cf::load_extensions;	4036	cf::load_extensions;
2927		4037
		4038	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2931	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
2934		4046
2935	warn "leaving sync_job";	4047	cf::_post_init 1;
2936		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
2937	1	4051	1
2938	} or do {	4052	} or do {
2939	warn $@;	4053	error $@;
2940	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
2941	exit 1;	4055	};
		4056
		4057	--$RELOAD;
2942	};	4058	}
2943		4059
2944	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
2945	};	4062	};
2946		4063
2947	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
2948		4065
2949	sub reload_perl() {	4066	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
2952		4069
2953	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	4072
2956	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	4074	do_reload_perl;
2959	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
2960	},	4076	};
2961	);	4077	};
2962	}	4078	}
2963		4079
2964	register_command "reload" => sub {	4080	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2966		4082
2967	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	4087	reload_perl;
		4088	};
2970	}	4089	}
2971	};	4090	};
2972		4091
2973	unshift @INC, $LIBDIR;	4092	#############################################################################
2974		4093
2975	my $bug_warning = 0;	4094	my $bug_warning = 0;
2976		4095
2977	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
2979		4098
2980	sub wait_for_tick {	4099	sub wait_for_tick() {
2981	return unless $TICK_WATCHER->is_active;
2982	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2983		4101
2984	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
2985	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;	4104	$signal->wait;
2987	}	4105	}
2988		4106
2989	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
2990	return unless $TICK_WATCHER->is_active;
2991	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2992		4109
2993	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	4112	$signal->wait;
2996	}	4113	}
2997		4114
2998	my $min = 1e6;#d#	4115	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3010	return;	4119	return;
3011	}	4120	}
3012		4121
3013	$NOW = $tick_start = Event::time;
3014
3015	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3016		4123
3017	0 && sync_job {#d#	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3018	for(1..10) {
3019	my $t = Event::time;
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3021	or die;
3022		4125
3023	$map->width (50);	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3024	$map->height (50);	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3025	$map->alloc;	4128	Coro::async_pool {
3026	$map->_load_objects ("/tmp/x.map", 1);	4129	$Coro::current->{desc} = "runtime saver";
3027	my $t = Event::time - $t;	4130	write_runtime_sync
3028		4131	or error "ERROR: unable to write runtime file: $!";
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4132	};
		4133	}
3039		4134
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4136	$sig->send;
3056	}	4137	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3058	$sig->send;	4139	$sig->send;
3059	}	4140	}
3060		4141
3061	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4144
3072	_post_tick;	4145	if (0) {
3073		4146	if ($NEXT_TICK) {
3074		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
3075	},	4151	}
3076	);	4152	}
3077		4153
3078	{	4154	{
3079	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4156
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3089		4158	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4160
3105	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4168
3108	cf::sync_job {	4169	cf::sync_job {
3109	eval {	4170	eval {
3110	BDB::db_env_open	4171	BDB::db_env_open
3111	$DB_ENV,	4172	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4176	0666;
3116		4177
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	4179	};
3122		4180
3123	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	4182	};
3125	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
3126	}	4194	}
3127		4195
3128	{	4196	{
		4197	# configure IO::AIO
		4198
3129	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4202	}
3142		4203
3143	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3144		4206
3145	sub _log_backtrace {	4207	sub _log_backtrace {
3146	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3147		4209
3148	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3149		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3150	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3152	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3153	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
3154	my @bt = fork_call {	4223	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
3166	}	4235	}
3167		4236
3168	@funcs	4237	@funcs
3169	};	4238	};
3170		4239
3171	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4243	--$_log_backtrace;
3174	};	4244	};
3175	} else {	4245	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3178	}	4248	}
3179	}	4249	}
3180		4250
3181	# load additional modules	4251	# load additional modules
3182	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3183		4254
3184	END { cf::emergency_save }	4255	END { cf::emergency_save }
3185		4256
3186	1	4257	1
3187		4258

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